Expert yachtsman and daredevil adventurer Paul Raymond sets sail from Samoa on his most dangerous and thrilling mission yet - to find 'Treasure Island'.
Mark, Thea and Karl rescue a young girl who takes them to her village where they end up locked in cages. Jacqui is chased by Samurai and is rescued by Raoul, of the Horselord tribe, when he throws her a rope to climb into a tree.
Jacqui and Raoul are still up the tree, later they head for another hiding place when they are attacked by Samurai soldiers. Mark, Thea and Karl are sentenced to be thrown off the cliff for being outsiders.
Hans-Peter, Karl and Thea are separated from Mark. Jacqui refuses to agree to marry Don Grego. Raoul decides to help Jacqui escape from the Horselord tribe and send her to a friend.
Danni finds Hans-Peter and Thea as Karl was holding them hostage. Hans-Peter tells her of the treasure and the map which they found. Mark goes to the ship's graveyard to get his solar batteries and runs into Escovar.
Jacqui is able to discover the source of the illness at the Trader village and gives out medicine to cure the sick. Mark, Hans-Peter, and Thea discover a mysterious stone ring on Spyglass Hill and unearth a dagger.
Raoul and Karl are helped by Rosa and are taken to a fortress. There Raoul finds his father's sword and Karl finds a pirate flag. Escovar steals Mark's computer to bargain with Dante.
Tempus leads the unsuspecting Thea and Mark into a trap. Hans-Peter goes to the ship's graveyard to get a wind generator to power the submarine. Karl is caught by the Samurai after he and Raoul part ways.
